Table 3.
Risk of bias for blinding of outcome assessment, per outcome.
| Was outcome assessment blinded? | |||
|---|---|---|---|
| Study | Yes | Unclear | No |
| McCulloh et al. (42) | NEC incidence | - | – |
| McCulloh et al. (42) | NEC incidence | – | – |
| Rager et al. (43) | – | NEC incidence, intestinal permeability | – |
| Tayman et al. (47) | NEC incidence, sickness score | Survival, clinical sickness score | – |
| Wei et al. (44) | NEC incidence | Intestinal permeability | – |
| Yang et al. (45) | NEC incidence | Survival, intestinal permeability | – |
| Zani et al. (49) (EJPS) | Survival | – | |
| Zani et al. (48) (Gut) | Intestinal motility, intestinal permeability | Survival, clinical sickness score | – |
| Zhou et al. (46) | – | Survival, intestinal motility | – |
NEC, necrotizing enterocolitis.